Z84C90 View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z84C90

Z84C90 KIO Serial/Parallel Counter/Timer

Zilog 

Z84C90 KIO Serial/Parallel Counter/Timer

Product Specification

30

From Output

Under Test

100 pF

+5V

2.1K

250

A

Figure 33. Test Load Diagram

DC Characteristics

Table 3 lists the direct current characteristics for the Z84C90 KIO Peripheral. In this table,

VCC = 5.0 V ± 10% unless otherwise specified.

Table 3. DC Characteristics of the Z84C90

Symbol Item

Min

Max

Unit Condition

VILC

Clock Input Low Voltage

–0.3

+0.45

V

VIHC

Clock Input High Voltage

VCC–0.6 VCC+0.3

V

VIL

Input Low Voltage

–0.3

+0.8

V

VIH

Input High Voltage

2.2

VCC

V

VOL

Output Low Voltage

+0.4

V IOL = 2.0mA

VOH1

Output High Voltage 1

2.4

V IOH = –1.6mA

VOH2

Output High Voltage 2

VCC – 0.8

V IOH = –250mA

ILI

Input Leakage Current

±10.0

µA VIN = 0.4~VCC

IOL

3-State Leakage Current

±10.0

µA VIN = 0.4~VCC

IL(SY)

SYNC Pin Leakage Current

–40

+10

µA VIN = 0.4~VCC

Note: *Measurement made with output floating over specified temperature and voltage ranges with VCC = 5 V, VIH =

VCC – 0.2 V and VIL = 0.2 V.

PS011804-0612

DC Characteristics

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